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(11)

EP 3 368 699 A1

(12)

(43) Date of publication: 05.09.2018 Bulletin 2018/36 (21) Application number: 16860662.2 (22) Date of filing: 26.10.2016

(51) International Patent Classification (IPC):  C22B 3/00(2006.01) C22B 3/24(2006.01) C22B 7/00(2006.01) C22B 3/42(2006.01) (86) International application number: PCT/US2016/058808 (87) International publication number: WO 2017/075015 (04.05.2017 Gazette 2017/18)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 26.10.2015 US 201562246524 P 21.01.2016 US 201615002616 21.01.2016 US 201615002730 (71) Applicant: Techemet, LLC Akron, Ohio 44333 (US)	(72) Inventors: BRITTON, Louis A. Akron, Ohio 44319 (US) MARKARIAN, Georges Z. Akron, Ohio 44333 (US) (74) Representative: McNab, Donald C.  Marks & Clerk LLP 40 Torphichen Street Edinburgh EH3 8JB Edinburgh EH3 8JB (GB)